[Event "URS-ch18 Semifinal"]
[Site "Gorky"]
[Date "1950.09.??"]
[Round "1"]
[White "Byvshev, Vasily Mikhailovich"]
[Black "Guldin, Lev Isaevich"]
[Result "1-0"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Qd2 h6 10. Be3 e5 11. Nb3 Be6 12. Rad1 a5 13. f4 a4 14. f5 Bxb3 15. cxb3 axb3 16. axb3 Ne8 17. Rf3 Bg5 18. Rg3 Bxe3+ 19. Qxe3 Kh7 20. Nb5 Ra2 21. Rf3 Rxb2 22. Bc4 Qe7 23. Qc1 Ra2 24. Nc3 Ra7 25. Nd5 Qg5 26. Qxg5 hxg5 27. Rh3+ Kg8 28. Rg3 Nf6 29. Nxf6+ gxf6 30. Rxd6 Nd4 31. Rxf6 Ra1+ 32. Kf2 Kg7 33. Rd6 Ra2+ 34. Ke3 Nc2+ 35. Kd2 Nd4+ 36. Kd3 b5 37. Rxg5+ Kh7 38. Bd5 Rg8 39. Rh5+ Kg7 40. Rd7 Rf8 41. Rg5+ Kf6 42. h4 Ne2 43. g3 Nc1+ 44. Ke3 Re2+ 45. Kf3 Rd2 46. g4 Nxb3 47. Rg6+ 1-0